<template>
  <el-dialog title="新增员工" :visible="showVisible" @close="closeDialog">
    <!-- 表单 -->
    <template #default>
      <el-form ref="addForm" :model="formData" :rules="rules" label-width="120px">
        <el-form-item label="姓名" prop="username">
          <el-input v-model="formData.username" style="width:50%" placeholder="请输入姓名" />
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="formData.mobile" style="width:50%" placeholder="请输入手机号" />
        </el-form-item>
        <el-form-item label="入职时间" prop="timeOfEntry">
          <el-date-picker v-model="formData.timeOfEntry" style="width:50%" placeholder="请选择入职时间" />
        </el-form-item>
        <el-form-item label="聘用形式" prop="formOfEmployment">
          <el-select v-model="formData.formOfEmployment" style="width:50%" placeholder="请选择">
            <!-- :value是后端的 :label是展示给用户看的 -->
            <el-option 
              v-for="item in hireList" 
              :key="item.id" 
              :label="item.name" 
              :value="item.id" 
            />
          </el-select>
        </el-form-item>
        <el-form-item label="工号" prop="workNumber">
          <el-input v-model="formData.workNumber" style="width:50%" placeholder="请输入工号" />
        </el-form-item>
        <el-form-item label="部门" prop="departmentName">
            <el-cascader
              v-model="formData.departmentName"
              :options="options"
              :props="defaultProps"
              ></el-cascader>
        </el-form-item>
        <el-form-item label="转正时间" prop="correctionTime">
          <el-date-picker v-model="formData.correctionTime" style="width:50%" placeholder="请选择转正时间" />
        </el-form-item>
      </el-form>
    </template>
    <!-- 弹窗按钮 -->
    <template #footer>
      <el-button>取消</el-button>
      <el-button type="primary" @click="confirm">确定</el-button>
    </template>
  </el-dialog>
</template>

<script>

import { getDepartments } from '@/api/department'
import { addEmployee } from '@/api/employee'
import transTree from '@/utils/transTree'
export default {
  props: {
    showVisible: {
      type: Boolean
    }
  },
  data() {
    return {
      formData: {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      },
      rules: {
        username: [
          { required: true, message: '用户姓名不能为空', trigger: ['blur', 'change'] },
          { min: 1, max: 4, message: '用户姓名为1-4位', trigger: ['blur', 'change'] }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: ['blur', 'change'] },
          { pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: ['blur', 'change'] }
        ],
        formOfEmployment: [
          { required: true, message: '聘用形式不能为空', trigger: ['blur', 'change'] }
        ],
        workNumber: [
          { required: true, message: '工号不能为空', trigger: ['blur', 'change'] }
        ],
        departmentName: [
          { required: true, message: '部门不能为空', trigger: ['blur', 'change'] }
        ],
        timeOfEntry: [
          { required: true, message: '请选择入职时间', trigger: ['blur', 'change'] }
        ]
      },
      // 使用枚举的方法
      hireList: [
        {
          id: 1,
          name: '正式员工'
        },
        {
          id: 2,
          name: '非正式员工'
        }
      ],
      options: [],
      defaultProps: {
        label: 'name', // 识别以后端name字段为主 它作为提示用户的中文
        value: 'name', // 识别以后段name字段为主 它作为最终选中提交给后端的数据 绑定v-model上的数据
        checkStrictly: true // 开启一个单选模式
      }
    }
  },
  mounted() {
    this.fetchDepart()
  },
  methods: {
    closeDialog() {
      this.$emit('close-dialog')
      // 更新列表
      this.$emit('fetch-List')
      // 清空数据
      this.formData = {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      }
      // 清空校验
      this.$refs.addForm.resetFields()
    },
    async fetchDepart() {
      const res = await getDepartments()
      this.options = transTree(res.depts)
    },
    confirm() {
      this.$refs.addForm.validate(async valid => {
        if (valid) {
          await addEmployee({
            // 展开formData里面的数据
            // 是因为部门选择会导致传入两个部门,应该只传入选中的最后一个部门子部门,要对部门的length值减1
            ...this.formData,
            departmentName: this.formData.departmentName[this.formData.departmentName.length - 1]
          })
          // 后续操作
          this.closeDialog()
        }
      })
    }
  }
}
</script>
